/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.helloworld.web;

import java.io.IOException;

import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.example.helloworld.api.*;

public class HelloWorld extends HttpServlet
{
  private static final long serialVersionUID = 1L;
  
  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
  {	
    HelloWorldService helloWorldService;
	 
	try {
		InitialContext ic = new InitialContext();
		helloWorldService = (HelloWorldService) ic.lookup("osgi:service/" + HelloWorldService.class.getName());
		resp.getOutputStream().println(helloWorldService.sayHello());
	}
	catch (NamingException e) {
		e.printStackTrace(System.out);
	}
  }
  
  @Override
  protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException 
  {
	doGet(req, resp);
  }
}